The dB 840, 8" Subwoofer not only creates incredible sound but also offers superior looks. This subwoofer is optimized for high performance in any type of enclosure. It’s a compact 8-inch subwoofer that really packs a punch. It is ideal when the install space is limited.
It features “Dishedâ€ÂÂ?? polypropylene cone supported by a vented cone/coil coupler that stiffens the cone for greater mechanical stability and lower distortion. This subwoofer feature santoprene surround which is impervious to extremes in temperature, humidity and exposure to sunlight for excellent long term reliability. More interestingly, the triple venting of the 4-layer Kapton voice coil former, cone/coil coupler and pole pieceof this trendy subwoofer contribute to the high power handling and reliability of the db Series subs. The voice coil alignment, motor and suspension of this subwoofer were optimized using a state-of-the-art Klippel laser analyzer. The result is superior cone travel linearity for flatter response and lower distortion. This amazing subwoofer also feature fire-retardant flat NOMEX spider that allows extended linear motion while providing highly reliable mechanical and thermal stability. Additionally, the dual voice coil version and optional db8G grille are also available.
Like all Polk products, this subwooferis also made using the best materials and the most advanced manufacturing techniques. It has passed the industry’s most exhaustive quality tests, including drop testing, extreme signal response and UV & salt exposure testing. To say the least, the Polk loudspeakers are built to perform for a lifetime.
ABOUT THE BRAND: Polk Audio is a recognized name in audiophile circles. It is reputed to manufacturer supreme quality audio products especially home and automobile speakers. The company also produces a wide range of other audio products such as amplifiers and FM tuners. Headquartered in Baltimore, Maryland, Polk Audio was founded by Matthew Polk, George Klopfer and Sandy Gross in 1972. However, in 2006, the company was acquired by Directed Electronics.
After spending a short period of time dabbling in Pro Audio, Polk Audio turned its attention to high end home audio. With the release of the first successful model in 1974, the Monitor 7, Polk Audio started to become a reputable name in the audio industry.
